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-rw-r--r--include/linux/sched.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4dcbe972d5b5..e752fed52204 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -410,6 +410,10 @@ struct task_struct {
unsigned int time_slice, first_time_slice;
struct list_head tasks;
+ /*
+ * ptrace_list/ptrace_children forms the list of my children
+ * that were stolen by a ptracer.
+ */
struct list_head ptrace_children;
struct list_head ptrace_list;
@@ -431,6 +435,10 @@ struct task_struct {
*/
struct task_struct *real_parent; /* real parent process (when being debugged) */
struct task_struct *parent; /* parent process */
+ /*
+ * children/sibling forms the list of my children plus the
+ * tasks I'm ptracing.
+ */
struct list_head children; /* list of my children */
struct list_head sibling; /* linkage in my parent's children list */
struct task_struct *group_leader; /* threadgroup leader */